1 | /**
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2 | *#########################################################################
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3 | *
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4 | * A component of the Greenstone Librarian Interface (GLI) application,
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5 | * part of the Greenstone digital library software suite from the New
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6 | * Zealand Digital Library Project at the University of Waikato,
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7 | * New Zealand.
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8 | *
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9 | * Author: John Thompson
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10 | * Greenstone Project, New Zealand Digital Library
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11 | * University of Waikato
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12 | * http://www.nzdl.org
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13 | *
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14 | * Copyright (C) 2004 New Zealand Digital Library, University of Waikato
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15 | *
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16 | * This program is free software; you can redistribute it and/or modify
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17 | * it under the terms of the GNU General Public License as published by
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18 | * the Free Software Foundation; either version 2 of the License, or
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19 | * (at your option) any later version.
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20 | *
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21 | * This program is distributed in the hope that it will be useful,
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22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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24 | * GNU General Public License for more details.
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25 | *
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26 | * You should have received a copy of the GNU General Public License
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27 | * along with this program; if not, write to the Free Software
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28 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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29 | *########################################################################
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30 | */
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31 | package org.greenstone.gatherer.gui;
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32 |
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33 | import java.awt.*;
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34 | import java.awt.event.*;
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35 | import javax.swing.*;
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36 | import org.greenstone.gatherer.Dictionary;
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37 | import org.greenstone.gatherer.util.Utility;
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38 |
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39 | /** Generates a pretty about dialog which not only thanks those for their contributions but also meets our legal requirements if we wish to ship the JVM with GLI.
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40 | * @author John Thompson, Greenstone Project, New Zealand Digital Library, University of Waikato
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41 | * @version 2.41 final
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42 | */
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43 | // RICOH SOURCE CODE PUBLIC LICENSE - http://www.risource.org/RPL/RPL-1.0A.shtml
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44 | public class AboutDialog
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45 | extends JDialog {
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46 | /** The default size of the about dialog. */
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47 | static final private Dimension SIZE = new Dimension(600, 325);
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48 | /** The size of the GLI icon to display on dialog. */
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49 | static final private int ICON_SIZE = 65;
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50 | /** A reference to ourself so that our inner classes can dismiss us. */
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51 | private AboutDialog self;
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52 | /** The button used for dismissing the about dialog. */
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53 | private JButton close_button;
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54 | /** The constructor not only builds, but displays the about dialog. This method doesn't return until the dialog is dismissed.
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55 | * @param parent the JFrame which owns this dialog for use in centering the dialog
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56 | * @see org.greenstone.gatherer.Dictionary#get
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57 | * @see org.greenstone.gatherer.Dictionary#setBoth
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58 | * @see org.greenstone.gatherer.Dictionary#setText
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59 | * @see org.greenstone.gatherer.gui.AboutDialog.CloseButtonListener
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60 | * @see org.greenstone.gatherer.gui.GLIButton
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61 | * @see org.greenstone.gatherer.util.Utility#getImage
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62 | * @see org.greenstone.gatherer.util.Utility#PROGRAM_NAME
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63 | * @see org.greenstone.gatherer.util.Utility#PROGRAM_VERSION
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64 | */
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65 | public AboutDialog(JFrame parent) {
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66 | super(parent, Dictionary.get("AboutDialog.Title"), true);
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67 | this.self = this;
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68 | setSize(SIZE);
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69 |
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70 | JPanel content_pane = (JPanel) getContentPane();
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71 | JPanel upper_pane = new JPanel();
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72 | ImageIcon icon = Utility.getImage("medgath.gif");
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73 | ImageIcon scaled_icon = new ImageIcon(icon.getImage().getScaledInstance(ICON_SIZE, ICON_SIZE, Image.SCALE_DEFAULT));
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74 | JLabel icon_label = new JLabel(scaled_icon);
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75 | JPanel title_pane = new JPanel();
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76 | JLabel title_one_label = new JLabel();
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77 | Dictionary.setText(title_one_label, "AboutDialog.Title_One");
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78 | JLabel title_two_label = new JLabel(Utility.PROGRAM_NAME + " " + Utility.PROGRAM_VERSION + " " + Dictionary.get("AboutDialog.Date"));
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79 | JLabel title_three_label = new JLabel();
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80 | Dictionary.setText(title_three_label, "AboutDialog.Title_Two");
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81 | JLabel copyright_label = new JLabel();
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82 | Dictionary.setText(copyright_label, "AboutDialog.Copyright");
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83 | JLabel gpl_label = new JLabel();
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84 | Dictionary.setText(gpl_label, "AboutDialog.Copyright_Two");
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85 |
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86 | JTextArea text = new JTextArea();
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87 | text.setLineWrap(true);
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88 | text.setWrapStyleWord(true);
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89 |
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90 | JPanel button_pane = new JPanel();
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91 | close_button = new GLIButton();
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92 | close_button.setMnemonic(KeyEvent.VK_C);
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93 | Dictionary.setBoth(close_button, "General.Close", "General.Close_Tooltip");
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94 |
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95 | // Connection
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96 | close_button.addActionListener(new CloseButtonListener());
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97 |
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98 | // Layout
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99 | icon_label.setBorder(BorderFactory.createEmptyBorder(0,0,0,10));
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100 |
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101 | title_pane.setLayout(new GridLayout(5,1,0,2));
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102 | title_pane.add(title_one_label);
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103 | title_pane.add(title_two_label);
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104 | title_pane.add(title_three_label);
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105 | title_pane.add(copyright_label);
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106 | title_pane.add(gpl_label);
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107 |
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108 | upper_pane.setBorder(BorderFactory.createEmptyBorder(0,0,5,0));
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109 | upper_pane.setLayout(new BorderLayout());
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110 | upper_pane.add(icon_label, BorderLayout.WEST);
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111 | upper_pane.add(title_pane, BorderLayout.CENTER);
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112 |
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113 | button_pane.setBorder(BorderFactory.createEmptyBorder(5,0,0,0));
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114 | button_pane.setLayout(new BorderLayout());
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115 | button_pane.add(close_button, BorderLayout.EAST);
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116 |
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117 | content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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118 | content_pane.setLayout(new BorderLayout());
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119 | content_pane.add(upper_pane, BorderLayout.NORTH);
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120 | content_pane.add(new JScrollPane(text), BorderLayout.CENTER);
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121 | content_pane.add(button_pane, BorderLayout.SOUTH);
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122 |
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123 | // Build text content
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124 | text.append(Dictionary.get("AboutDialog.Java_Req"));
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125 | text.append("\n");
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126 | text.append(Dictionary.get("AboutDialog.Java_Req_One"));
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127 | text.append("\n");
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128 | text.append(Dictionary.get("AboutDialog.Java_Req_Two"));
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129 | text.append("\n\n");
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130 | text.append("*****" + Dictionary.get("AboutDialog.Acknowledgement") + "*****");
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131 | text.append("\n\n");
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132 | text.append(Dictionary.get("AboutDialog.Item0"));
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133 | text.append("\n\n");
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134 | text.append(Dictionary.get("AboutDialog.Item2"));
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135 | text.append("\n\n");
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136 | text.append(Dictionary.get("AboutDialog.Item3"));
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137 | text.append("\n\n");
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138 | text.append("*****" + Dictionary.get("AboutDialog.Thanks") + "*****");
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139 | text.append("\n\n");
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140 | text.append(Dictionary.get("AboutDialog.Item4"));
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141 | text.append("\n\n");
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142 | text.append(Dictionary.get("AboutDialog.Item5"));
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143 | text.append("\n\n");
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144 | text.append(Dictionary.get("AboutDialog.Item6"));
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145 | text.append("\n\n");
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146 | text.append(Dictionary.get("AboutDialog.Item7"));
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147 | text.append("\n\n");
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148 | text.append(Dictionary.get("AboutDialog.Item8"));
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149 | text.setCaretPosition(0);
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150 |
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151 | // Show
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152 | Rectangle frame_bounds = parent.getBounds();
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153 | setLocation(frame_bounds.x + (frame_bounds.width - SIZE.width) / 2, frame_bounds.y + (frame_bounds.height - SIZE.height) / 2);
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154 | setVisible(true);
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155 | }
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156 | /** Listens for actions upon the close button, and when detected closes the dialog. */
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157 | private class CloseButtonListener
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158 | implements ActionListener {
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159 | /** Called whenever an action occurs on the close button, thus asking the dialog to close.
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160 | * @param event an ActionEvent containing information about the button press
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161 | */
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162 | public void actionPerformed(ActionEvent event) {
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163 | self.setVisible(false);
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164 | self.dispose();
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165 | }
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166 | }
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167 | }
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